Sectelli Self-Powered Door Bell with 2 USB Ports

Sectelli Self-Powered Door Bell with 2 USB Ports: This wireless home doorbell comes pre-paired, no batteries needed—just plug the receiver into a socket and mount the transmitter with included accessories (2 screws, 2 anchors, double-sided tape). It offers 60 ringtones, 5 volume levels (0-95dBm), and retains settings after power outages, with a self-powered button (300,000-life) and flashing lights. Boasting 1500FT working distance (1600FT obstacle-free) via anti-interference FM signals, it has IP66 weather resistance (-4°F to 140°F) and ABS fireproof material. Plus, it has 1 socket and 2 USB ports for charging.